LXR linux/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst

   1/*
   2 * Copyright 2012-15 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: AMD
  23 *
  24 */
  25
  26#ifndef __DAL_AMDGPU_DM_MST_TYPES_H__
  27#define __DAL_AMDGPU_DM_MST_TYPES_H__
  28
  29struct amdgpu_display_manager;
  30struct amdgpu_dm_connector;
  31
  32int dm_mst_get_pbn_divider(struct dc_link *link);
  33
  34void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm,
  35                                       struct amdgpu_dm_connector *aconnector,
  36                                       int link_index);
  37
  38void
  39dm_dp_create_fake_mst_encoders(struct amdgpu_device *adev);
  40
  41#if defined(CONFIG_DRM_AMD_DC_DCN)
  42
  43struct dsc_mst_fairness_vars {
  44        int pbn;
  45        bool dsc_enabled;
  46        int bpp_x16;
  47        struct amdgpu_dm_connector *aconnector;
  48};
  49
  50bool compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,
  51                                       struct dc_state *dc_state,
  52                                       struct dsc_mst_fairness_vars *vars);
  53#endif
  54
  55#endif
  56